[ADD] Builder and Helper improvements

Author: m1k3lm

src/BuilderAbstract.php

@@ -134,16 +134,7 @@ public abstract function cartWithItems();
 
 	public abstract function deliveryMethod();
 
-	public function items()
-	{
-		return array_merge(
-			$this->productItem(),
-			$this->extraItems(),
-			$this->handlingItems()
-		);
-	}
-
-	public abstract function handlingItems();
+	public abstract function items();
 
 	public abstract function customer();
 

src/Helper.php

@@ -8,6 +8,8 @@
 
 class Helper {
 	const ISO8601_PATTERN = '^((\d{4})-([0-1]\d)-([0-3]\d))+$|P(\d+Y)?(\d+M)?(\d+W)?(\d+D)?(T(\d+H)?(\d+M)?(\d+S)?)?$';
+	static $centsPerWhole = 100;
+
 
 	public static function isConsistentCart( $cart ) {
 		$totals = self::totals( $cart );
@@ -42,4 +44,8 @@ public static function removeNulls( $data ) {
 	public static function notNull( $value1, $value2 ) {
 		return is_null( $value1 ) ? $value2 : $value1;
 	}
+
+	public static function integerPrice( $price ) {
+		return intval( round( self::$centsPerWhole * $price ) );
+	}
 }